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RDMA/ocrdma: Support the new memory registration API

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Support the new memory registration API by allocating a
private page list array in ocrdma_mr and populate it when
ocrdma_map_mr_sg is invoked. Also, support IB_WR_REG_MR
by duplicating IB_WR_FAST_REG_MR, but take the needed
information from different places:
- page_size, iova, length, access flags (ib_mr)
- page array (ocrdma_mr)
- key (ib_reg_wr)

The IB_WR_FAST_REG_MR handlers will be removed later when
all the ULPs will be converted.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg
2015-10-13 19:11:28 +03:00
committed by Doug Ledford
parent 1b2cd0fc67
commit 2eaa1c5647
4 changed files with 96 additions and 0 deletions
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2
drivers/infiniband/hw/ocrdma/ocrdma.h
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@@ -193,6 +193,8 @@ struct ocrdma_mr {
struct ib_mr ibmr;
struct ib_umem *umem;
struct ocrdma_hw_mr hwmr;
u64 *pages;
u32 npages;
};
struct ocrdma_stats {